Looking for an Opal alternative free to start? Opal costs $99.99 a year and blocks apps on a schedule you can override. RepUnlock is free to download and gates the same apps behind reps the front camera has to count. Same apps blocked; completely different exit.
This is a straight head-to-head between those two products — pricing, blocking strength and what happens the moment you actually want to scroll. For the wider field, see our roundup of the best app blockers for iPhone.
The Core Difference: Exercise vs. Willpower
Let's start with what matters most — the philosophy behind each app.
Opal is a traditional app blocker. You set schedules, choose which apps to block, and Opal prevents you from accessing them during those times. Its "Deep Focus" mode makes blocks harder to bypass, and it gamifies the experience with gems and leaderboards. But at the end of the day, it relies on willpower — you can still override blocks when temptation hits.
RepUnlock flips the script entirely. Instead of simply restricting access, it requires you to earn your screen time through physical exercise. Want to scroll Instagram? Do 20 push-ups first. This creates a positive feedback loop: you reduce screen time and build a workout habit simultaneously.
Why This Matters
Feature-by-Feature Comparison
| Feature | RepUnlock | Opal |
|---|---|---|
| Blocking method | Exercise to unlock ✅ | Timer/schedule-based |
| AI rep counting | ✅ Computer vision | ❌ None |
| Focus Mode | ✅ With exercise gate | ✅ Deep Focus sessions |
| Gamification | ✅ Streaks, badges & Happy Hour multipliers | ✅ Gems & milestones |
| Form validation | ✅ Real-time AI feedback | ❌ Not applicable |
| Screen time tracking | ✅ Yes | ✅ Focus Score analytics |
| Platforms | iPhone & iPad (iOS 17+) | iOS, Android & Mac |
| Bypass prevention | Must complete reps | Can override (non-Deep Focus) |
| Health benefit | ✅ Builds exercise habit | ❌ Screen time only |
| Starting price | Free | Free (limited) / $100/yr |
Pricing: A Massive Gap
This is where the comparison gets interesting. Opal charges $99.99/year (or $19.99/month) for its Pro plan. There's also a lifetime option at $399. The free plan is severely limited — you get one recurring focus session and basic blocking only.
RepUnlock is free to download and its core app-blocking features are accessible without a subscription. This makes it dramatically more affordable for anyone who just wants to reduce screen time and doesn't need enterprise-level analytics.
Price Comparison
Blocking Effectiveness
Opal's standard blocking can be overridden with a tap — you just dismiss the warning and continue using the app. Deep Focus mode is stricter, but even then, users report finding workarounds. The fundamental problem: there's no real consequence for bypassing a block.
RepUnlock solves this beautifully. To access your blocked apps, you must physically complete the exercises. The AI camera watches your form and counts every rep. You can't cheat the system — and honestly, once you've done 20 push-ups, you often realize you don't even want to scroll anymore. The exercise itself resets your mental state.
The Unique Health Angle
This is RepUnlock's killer advantage. While Opal addresses screen time as an isolated problem, RepUnlock treats it as an opportunity to build a fitness habit. The exchange rate is fixed and easy to reason about: one rep banks one minute of screen time, and sixty banked minutes is a full charge. Every reach for a blocked app becomes a set you would otherwise never have done.
Opal tracks how much time you spend in focus sessions, but it doesn't give you anything positive in return. RepUnlock turns every moment of temptation into reps, and over time, those reps compound into genuine fitness results.
Who Should Use Which?
Choose RepUnlock if you want to:
- Reduce screen time and build a workout habit simultaneously
- Have a blocker you physically can't cheat without effort
- See friends working out live and challenge them, or lock in head-to-head with stakes you agree in advance
- Save money — it's free to start
- Get real-time AI feedback on your exercise form
Choose Opal if you want to:
- Schedule automated blocking during specific hours
- Use blocking on Mac as well as iPhone
- Focus primarily on time-management analytics
- Prefer a traditional timer-based approach
Opal ends a session when the clock says so. Volt ends it when you have fed him — and he is right there on your lock screen showing exactly how much you have left.
Get RepUnlockThe Verdict
Opal is a solid app blocker — but it's an expensive willpower tool. At $100/year, you're paying for something your iPhone can mostly do natively with Screen Time.
RepUnlock offers something genuinely unique: a system where reducing screen time makes you physically stronger. The exercise gate is more effective than any timer, the on-device form validation ensures you're doing real reps, and seeing friends working out live — or locking in head-to-head with stakes agreed up front — adds the accountability that keeps you going.
If schedules are what you actually want, Freedom covers more platforms than either app here, and One Sec is the gentler option if a breathing pause is enough friction for you.
If you want an app blocker that actually changes your behavior — not just restricts it — download RepUnlock for free and see the difference for yourself.